<div class="container">
  <div class="lang">
    <i nz-icon nzTheme="outline" nzType="font-size"></i>
  </div>
  <div class="content-layout">
    <div class="head">
      <img class="logo" alt="" src="imgs/logo-color.svg" />
      <span class="title">Ant Design</span>
    </div>
    <div class="desc">Ant Design 是西湖区最具影响力的 Web 设计规范</div>
  </div>
  <router-outlet></router-outlet>
</div>
